Quick Answer: Is A Trojan Always Bad?

What does a Trojan virus do?

One form of Trojan malware has targeted Android devices specifically.

Called Switcher Trojan, it infects users’ devices to attack the routers on their wireless networks.

The result.

Cybercriminals could redirect traffic on the Wi-Fi-connected devices and use it to commit various crimes..

Can Trojan work without Internet?

They can only operate through programs. If you have internet access enabled and active, a trojan or rootkit that you already have installed without your knowledge can activate and send data back to the hacker via an unused port without your knowledge.

Who created Trojan horse virus?

John WalkerCalled ANIMAL, the first Trojan (although there is some debate as to whether this was a Trojan, or simply another virus) was developed by computer programmer John Walker in 1975, according to Fourmilab.

Is it better to quarantine or delete a virus?

A quarantined virus is perfectly harmless while in quarantine. It cannot run, and it’s well hidden. Human nature, of course, would prefer it entirely off the premises, so once you’re sure it’s not a file your computer needs — just delete it!

Can you get a computer virus without downloading anything?

Yes. You can. Most viruses spread via email, where once the host is infected, the virus sends copies of itself to all email contacts, and all the contacts download it manually, not knowing it is a virus, and so on. … These viruses are especially damaging, because there is not much you have to do to get infected.

Is a Trojan virus bad?

A Trojan horse (or Trojan) is one of the most common and dangerous types of threats that can infect your computer or mobile device. Trojans are usually disguised as benign or useful software that you download from the Internet, but they actually carry malicious code designed to do harm—thus their name.

What to do after removing Trojan virus?

What to do if You Get a Trojan Virus on Your PC?# 1: Spying. … # 2: Creating backdoors. … # 3: Turns your endpoint into a zombie! … # 4: Language Settings Changed. … # 5: Send expensive SMS messages. … # 6: Extremely Slow Computer. … Step 1: Identify the Trojan. … Step 2: Disable the function of System restore.More items…

Can my iPhone be infected with a Trojan virus?

There are no known Trojan Horses or viruses that can affect non-jailbroken iPhones. There’s also no trash to empty on an iPhone. Stedman1 did not suggest that. It was a different person that may have thought you were using a computer and not an iPhone.

Can Windows Defender Get Rid of Trojan?

Of course Windows Defender can detect and remove Trojans. In fact, it does so far more effectively than one of the alternative products he recommends: Zemana and Malwarebytes. The latter is literally the least effective antivirus product on the market.

How do you know if I have a Trojan on my computer?

One of the signs you have a Trojan in your computer is a slow Internet. Many times, you might not be able to connect to it either. When you know that everyone else in the house or office can connect, be warned. That’s one of the symptoms of a Trojan horse virus.

Is a Trojan worse than a virus?

Worms spread from computer to computer, but unlike a virus, it has the capability to travel without any help from a person. … A Trojan horse is not a virus. It is a destructive program that looks as a genuine application. Unlike viruses, Trojan horses do not replicate themselves but they can be just as destructive.

Is a quarantined Trojan safe?

A quarantined virus is perfectly harmless while in quarantine. It cannot run, and it’s well hidden. Human nature, of course, would prefer it entirely off the premises, so once you’re sure it’s not a file your computer needs — delete!

Can Trojan virus be removed?

How to remove a Trojan virus. It’s best to use a Trojan remover that can detect and remove any Trojans on your device. The best, free Trojan remover is included in Avast Free Antivirus. When removing Trojans manually, be sure to remove any programs from your computer that are affiliated with the Trojan.

What are the 3 types of viruses?

They include:Macro viruses – These are the largest of the three virus types. … Boot record infectors – These viruses are known also as boot viruses or system viruses. … File infectors – These viruses target .

What is quarantine computer virus?

Quarantine is an action taken by some antivirus scanners on a file infected with malware or a virus. When a file is quarantined, the file is moved to a location on disk where it cannot be executed. … Also, a virus or infected data file may need to be quarantined if it cannot be removed or cleaned.